Belt-adjusting slide



Sept 23, 1.930. H. 1'. scHwANDA 1.77.5,333-

BELT ADJUSTING SLIDE Filed Dec. 12. 1928 i5 thebelt or other article andpi'event slipping vraie i f @Patented Sepvti. '723, 193i() y' HENRYT. scHWAnnAgoFniNrIELn JUNe'rromNnW YORK i lenti-Alignment@ SLIDE Anppiiaititn'-niet:menten12, 152s. serial N0.'325,484.

1 Galand inexpensive :form ofsli'def which Will `:s eflieiently` secure 4thebelt 'inits adjusted posig ytten an'dprevent slipping thereof, Whilea-t' the same time providing' a slidfeivhich may"y be manufactured inexpensively and have a symmetrical and pleasing lappcarence.

4 Y Ofits" construction, canl be readily ymade from flatlpearl stock, such as'motherfofpearl, and yet have-'sufficientstrengtlieffeetively to hold Other-eer.. .i f y inga part of this specificationff fFigfQfisfa rearvievvthereoff;

r :ne Figlia;

* --awitt elften attached there@ ables'th `vuse of flat pearl? vstock; suchfas mother-oipearl.` Preferably to "one side of the center lineofthe plate@ Pfl-ir firecent" r the Widthv of the plate than Would be possible 'shaped barI yil having continuousfunbroken,

. "Figurelis a frontivieyvof this Yimproved ."ilvslide attached toabeltgf v 1 or thel slide detached ffm@ i Sim'i'lar characters n' of reference" indicatey responding partsin the?sfeveralyifews.` f 3 1VBefore explaining in detail thepresent 'im ff'iirovement and' mode fof'y operation thereof,-- I desireto have itfunderstood that the in-venl i .tion is' -not limited 7to, the detailsof lconstrucf tieni and arrangement?offpartswhich are' illustrated in'y the f accompanying draivingsf since f the-""inventio n capable-of either Yem-- b'o'diinents, land that the phr'aseology `yvhich A'I*employis for thcjpurposeof description` y'The present improved'slidefcomprises any I Vsiiitab'lie*shapefof `platez2 of-any suitable 'maf` t'ei'iaL-but the construction particularly en-V i thus providing between theI slotfs'a'crescent-y,

curved, substantially parallel edges `Sand (i.S At theopposite side of the center line of the plate a straight slot 7 is provided,

forming a vstraight'bar 8 around which the end ofthe belt or other article is located;- the end of thev belt, for instance, being sewechwhereby the slideis attached -to the belt. 1 In use the free'end of the belt is 'slipped y Y f'rthrough the inner crescent-shap`ed slot and `10 vv`l`Alfurtlier objectvv ofthe mv-entionis the pro` `Vvisienc'f an improvedlslideivhich, by reason" then aroundfthe crescent-shaped bar and out through the outer slot of the pair of crescent-y shapedzslotsn the manner shown in Fig. l, Whereupon'the curved edges of thebar irnpinge so firmly against the curved form of tli'ebelt" that Y slippage Vthereof is prevented,v

y n evenunder considerable Vpull or' strain. fln the drawings"accompanying and forin- Vhen it'is desired to release the-belt, it is merely `necessary to loosen the ends passing throughthe slotsv of the slide plate.- -The curved formation ofthevbar notonly gives sufficient strength thereto to prevent break! .f

age thereof, even when made of -motherlof-l pearl-stock,-'-s1nce, as 1s' -Wellknoifvn to vengineers, an arch is a materially lstrongerstrucl ture than-one made of anglesfebut this Acurved form of the bar provides `a much superior` grippingsurface on the ymaterial 'to prevent slipping?, by reasonyof the fact that l the materiallis required to conforinto 'the g any pull shape of the bar ithuspreve'ntin thereon causingslippage thereof.` A In the formshown in Fig. 5the plate'yis provided at each side of the center line there of with a pair,of'crescent-shaped slots Sand 9y n formingl a crescent-shaped 'bar lO-tliereber tween, whereby each end of tlie'jbeltis secured in the manner shown in Fig. 6, Without the necessity of sewing either endfof the belt. l

- By reasonof the arc formation 'oftheslots and b'ar'the slide will accommodatedifferent Widths of beltsup to' certain limits, merely" causing the'fabricof the belt,` if toowide for the slot, to uniformly gather andinaterially assist ink preventing the slipping of the belt. Because of the are formation ofthe slots and barit `Will `be apparent that the slots and:

bar can be made longer Without increasing 40 y l a Vpair-of lorescentfshaped, slots forming a straight, would ynecessitate wider slide plate.V ThuslaV comparatively small plate, with the curved form of slot, will acommodate awider I gathered in the manner shown in Figi l.

' is totally unadapted vfor use with mother-of-m pearl stock, and none of them is providedf with crescent-shaped,slotsforming a Cres-g' orCrescentsh/aped'form forming an unbroken! semi-'circular'.bar*therebetween all .substany Y r,tially located to 4one sideofthe centerline oft V the plate and also having a slot-*formed barV A`atl thek opposite side of thecenter line .of the detail herein any *particular-form, struetilrev I am aware that variousiorms of slide 4plates have been patented,vbut noneV of them has the symmetric-al, uniforln and pleasing appearance of 'the present improvement and cent-shaped bar; It is tok beunl rstoodgtliat by describingin or` arrangement, it is notintended to limit the invention beyond. the terms of theseveral o f 1L A belt slide comprisinga plate having v*claims or the requirements ofthe prior/art.V o Having thus 'explained the nature' of my` V said invention and 'described a waygof constructing and using the same, although with-Vj rout' attemptingto set forth all of the forms in which it may be made, orali/of the modes of its use,I claim:

' a pair of crescent-shaped slots forming a:

crescent-shaped bar therebetween and also gtvyliaving av slot-formed bar, said plate'having t a-solid, unslotted portion extending fromthe Yinner crescent-'shaped slot tothe slotfform-KV Vinggsaidlast bar and greater midf\vay ofy Vthe lengths of-said. barsv than the.y solid por- Y i tion between therv crescent-shaped slots,-

, whereby said last bar is Vspaced'a greater Vdistance midway of itslengtli from'thecrescentshaped barlthan therlistance between isaidfV n Y Y n "inthe":distanceybetween lsaid crescentfshaped crescent-shaped Slotsw` v -f Vf2. A belt slide comprising'afplatehaving kcrescent-shaped bar ,therebetween f .and also 'il [having aslotlformed, straight bar, saidplatey i said crescent-shaped slots.' Y

' dan.

having', a solid, -unslotted portion ,extendingy Vfrom theinnlergorescent shaped slot'tofthe Y slot formingsaidstraight barandgreater midway of theilength's of said'bars than the' vsolid portion YbetweenY the :crescentfshapefd y Y s lots,'wherebysaid last bar i'sspaced a greater;

"distance midway of its length. from theatres#- t cent-shap d bar `v than thedistance between? `Y3. kA belt slide comprisingaplatehaving a pairkof'crescentshapedslotsforming a Y cr'escentshaped fbarftherebetween and VVsubstantiallylocate'd,toone sidefof thefcenf 3 tersline oftheliplate. and'also havinga straight v. slot forminga straight barlocated at the op"- p osite si'de'ofzth-e centerline .of ,thev plate, all f of theplateb'etween the innercresoent shaped f slota'ndfthe straight slot having'an nnslotted' 4;"A belt slide comprising a platehavin'g pai-r ofcrescent-shaped slots formingl a crescent-shapedl Vbar therebetween and also crescentshaped slots.

7 pearl*formedplate'havingvtherein a* plurality of 'crescent-shapedslots .forming a ,distance :mid-way of theirlengths 1thanfthe o distance. between the cresoentshaped slotsofV I having a slot-formed, straight llocated at the outer edgepof the plate,-said plate having` 'Y *i l a solid, unslotted portion extending from the inner'crescent' shaped vslot to theslot form` tance midway of its lengt-h fromthe crescente shaped barthan the distance between said 5. A belt slide coy prising plate having;

a:'plurality of slots" forming bars, apair at least ofsuch slots having a ,continuouslykv curved astraightbar.V`

6. A/eloeltslide,comprisinga A.havin/glA a plurality ,ofl slots forming bars, a pair 'at least v,of l such 1 slots krhaving ar continuously curved "or, crescent-shaped form forming an unbroken semi-circular bar therebetween, all

substantially located tooneside lof the een-j 4 ter line oftheplate,andalso having, a slotform'ed'bar at the-opposite side ofv the center l' Vlinefof the plate',said' plate havingasolid,

ing saidstraight bar and greater midway rof .a

rwherebysaid lastbar isspaced a greater disunslottedfp-ortion extending ,from theinner Y crescentshapedjslottothe slot forminglsaidj 1f last b'arjand greater-midway oftheflengths 1,00

of saidf'rbars thany the solid portion between' the crescent-shaped slotsfyvhereby said last bar is Y' spaced a: greater 'A distance midwayfof its length; from the crescentshaped'bar than` crescent-shaped bar' therebetween, said bar Y i havinga smooth unbroken -eurvedj edge att fthetop fandv bottom thereofiand alsohaving a .slot :formedstraight bar 'materially spaced`Y VVHV l .fromsaiderescentfshapedbar all ofthe plate A*between theinnerfcrescentshaped slotv andl Y the slotef the straightbar Ahaving i yslotted-solidformQVA 8.'Aibelt"slideeomprising, a;plate;.liavfing'. Y ztWUPa-rsiof rescenthapfd SlOtS, eadirair: formin'gracrescent shapedhar]therebetween, said plate Yhaving-YasolidQunsletted portionV *betweenV the "inner cre/scent shaped slots: of the two-pairs, greater midwaygfof thelengt-hs` 'Y "oflsaid slotsthanthe widthofthebarsformed A '1 between; the 'crescentshaped' slots, whereby theftwopairs of` slots kai'effspa'ced a greaterA signada Navraag ttizsgeoth any' vof.November,1928, 

